reds - npm Package Compare versions

Comparing version 0.2.3 to 0.2.4

History.md

 
+0.2.4 / 2013-08-10 
+==================
+
+ * add function to limit the number of results (pagination)
+ * fix failure on strings that do not contain words 
+
 0.2.3 / 2013-02-22 
@@ -3,0 +9,0 @@ ==================

lib/reds.js

@@ -12,8 +12,8 @@
 
-var natural = require('natural')
-  , metaphone = natural.Metaphone.process
-  , stem = natural.PorterStemmer.stem
-  , stopwords = natural.stopwords
-  , redis = require('redis')
-  , noop = function(){};
+var natural = require('natural');
+var metaphone = natural.Metaphone.process;
+var stem = natural.PorterStemmer.stem;
+var stopwords = natural.stopwords;
+var redis = require('redis');
+function noop(){};
 
@@ -43,6 +43,6 @@ /**
 var types = {
-    intersect: 'zinterstore'
-  , union: 'zunionstore'
-  , and: 'zinterstore'
-  , or: 'zunionstore'
+  intersect: 'zinterstore',
+  union: 'zunionstore',
+  and: 'zinterstore',
+  or: 'zunionstore'
 };
@@ -98,2 +98,3 @@
   var ret = [];
+  if (!words) return ret;
   for (var i = 0, len = words.length; i < len; ++i) {
@@ -115,2 +116,3 @@ ret.push(stem(words[i]));
   var ret = [];
+  if (!words) return ret;
   for (var i = 0, len = words.length; i < len; ++i) {
@@ -134,2 +136,3 @@ if (~stopwords.indexOf(words[i])) continue;
   var obj = {};
+  if (!words) return obj;
   for (var i = 0, len = words.length; i < len; ++i) {
@@ -156,2 +159,3 @@ obj[words[i]] = (obj[words[i]] || 0) + 1;
   var obj = {};
+  if (!words) return obj;
   for (var i = 0, len = words.length; i < len; ++i) {
@@ -177,4 +181,7 @@ obj[words[i]] = metaphone(words[i]);
 exports.metaphoneArray = function(words){
-  var arr = []
-    , constant;
+  var arr = [];
+  var constant;
+
+  if (!words) return arr;
+  
   for (var i = 0, len = words.length; i < len; ++i) {
@@ -184,2 +191,3 @@ constant = metaphone(words[i]);
   }
+  
   return arr;
@@ -234,2 +242,16 @@ };
 /**
+ * Limit search to the specified range of elements.
+ *
+ * @param {String} start
+ * @param {String} stop
+ * @return {Query} for chaining
+ * @api public
+ */
+Query.prototype.between = function(start, stop){
+  this._start = start;
+  this._stop = stop;
+  return this;
+};
+
+/**
  * Perform the query and callback `fn(err, ids)`.
@@ -243,15 +265,18 @@ *
 Query.prototype.end = function(fn){
-  var key = this.search.key
-    , db = this.search.client
-    , query = this.str
-    , words = exports.stem(exports.stripStopWords(exports.words(query)))
-    , keys = exports.metaphoneKeys(key, words)
-    , type = this._type;
+  var key = this.search.key;
+  var db = this.search.client;
+  var query = this.str;
+  var words = exports.stem(exports.stripStopWords(exports.words(query)));
+  var keys = exports.metaphoneKeys(key, words);
+  var type = this._type;
+  var start = this._start || 0;
+  var stop = this._stop || -1;
 
   if (!keys.length) return fn(null, []);
+
   var tkey = key + 'tmpkey';
   db.multi([
     [type, tkey, keys.length].concat(keys),
-    ['zrevrange', tkey, 0, -1],
-    ['zremrangebyrank', tkey, 0, -1],
+    ['zrevrange', tkey, start, stop],
+    ['zremrangebyrank', tkey, start, stop],
   ]).exec(function(err, ids) {
@@ -287,8 +312,8 @@ ids = ids[1];
 Search.prototype.index = function(str, id, fn){
-  var key = this.key
-    , db = this.client
-    , words = exports.stem(exports.stripStopWords(exports.words(str)))
-    , counts = exports.countWords(words)
-    , map = exports.metaphoneMap(words)
-    , keys = Object.keys(map);
+  var key = this.key;
+  var db = this.client;
+  var words = exports.stem(exports.stripStopWords(exports.words(str)));
+  var counts = exports.countWords(words);
+  var map = exports.metaphoneMap(words);
+  var keys = Object.keys(map);
 
@@ -314,4 +339,5 @@ var cmds = [];
   fn = fn || noop;
-  var key = this.key
-    , db = this.client;
+  var key = this.key;
+  var db = this.client;
+  
   db.zrevrangebyscore(key + ':object:' + id, '+inf', 0, function(err, constants){
@@ -325,2 +351,3 @@ if (err) return fn(err);
   });
+  
   return this;
@@ -327,0 +354,0 @@ };

package.json

 {
     "name": "reds"
-  , "version": "0.2.3"
+  , "version": "0.2.4"
   , "description": "Redis search for node.js"
@@ -5,0 +5,0 @@ , "keywords": ["redis", "search", "metaphone", "phonetics", "natural"]

Readme.md

@@ -109,3 +109,3 @@ # reds
   four: 'FR',
-  dollars: 'TLRS'
+  dollars: 'DLRS'
 }
@@ -156,2 +156,2 @@ ```
 TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
-SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

No alert changes

Improved metrics

Total package byte prevSize

15533

4.37%

Lines of code

355

5.97%

Number of lines in readme file

156

0.65%

No dependency changes